8889663980

素因数分解:

$2^2\times 5^1\times {\mathrm{444483199}}^1$

素因数の和:444483208

約数の個数: 12

約数和(自身を含む): 18668294400

約数和(自身を除く): 9778630420

約数列:

[1, 2, 4, 5, 10, 20, 444483199, 888966398, 1777932796, 2222415995, 4444831990, 8889663980]

約数ペア:

[(1, 8889663980), (2, 4444831990), (4, 2222415995), (5, 1777932796), (10, 888966398), (20, 444483199)]